SeisMac is a Mac OS X application that turns your MacBook or MacBook Pro into a seismograph, measure and record motions of the ground, including those of seismic waves generated by earthquakes. It access your laptop’s Sudden Motion Sensor in order to display real-time, three-axis acceleration graphs.

This make remember the recent earthquake in Indonesia. My sincere condolence for all the earthquake victim in Padang, West Sumatra. And for us all, it does no harm to read earthquake prediction;

October 2009: The ability to forecast large earthquakes, greater than M6.0, more accurately and many days in advance, has been greatly enhanced by a new finding that enabled us to forecast the approximate magnitude of the Padang, Sumatra, earthquake (30 September) two weeks in advance.